package com.study.schedule;


import com.study.service.SeckillService;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.util.concurrent.TimeUnit;

@Slf4j
@Component
public class SeckillSchedule {
    @Autowired(required = false)
    RedissonClient redissonClient;
    @Autowired
    SeckillService seckillService;

    private final String upload_lock = "seckill:upload:lock";

    /**
     * 秒杀商品的定时上架
     * 每天晚上3点，上架最新3天需要秒杀的商品
     * 当天00:00:00- 23:59:59
     */
    @Scheduled(cron = "0 0 3 * * ?")
    public void uploadSeckillSkuLatest3Days() {
        //1 重复上架无需要处理
        log.info("商品上架");
        //2 分布式锁
        RLock lock = redissonClient.getLock(upload_lock);
        lock.lock(10, TimeUnit.SECONDS);
        try {
            seckillService.uploadSeckillSkuLatest3Days();
        } finally {
            lock.unlock();
        }

    }
}
